# -*- coding: utf-8 -*-
# Python 计算元素在列表中出现的次数

# 定义一个列表，并计算某个元素在列表中出现的次数。

# demo-1
def countX(lst, x):
    count = 0
    for ele in lst:
        if (ele == x):
            count += 1

    return count

lst = [8, 6, 8, 10, 8, 20, 10, 8, 8]
x = 8
print(countX(lst, x))

# demo-2
def countX(lst, x):
    return lst.count(x)

lst = [8, 6, 8, 10, 8, 20, 10, 8, 8]
x = 8
print(countX(lst, x))